secp256k1: Correct edge case in deterministic sign. #1533
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This corrects an ultra rare and nearly impossible to hit edge case where the case of r == N in a deterministic signature could lead to an invalid signature being produced versus returning an error as desired.
jrick
approved these changes
Nov 23, 2018
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This corrects an ultra rare and nearly impossible to hit edge case where the case of
r == Nin a deterministic signature could lead to an invalid signature being produced versus returning an error as desired.Credits to @junderw for discovering this in btcsuite/btcd#1347.